Patient interface



FIG. 1 is a front perspective view of a patient interface showing a first embodiment of our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is reverse perspective view thereof;

FIG. 9 is a front perspective view of a patient interface showing a second embodiment of our new design;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a top view thereof;

FIG. 13 is a bottom view thereof;

FIG. 14 is a left side view thereof;

FIG. 15 is a right side view thereof; and,

FIG. 16 is reverse perspective view thereof.

The broken lines in the drawings depict portions of the patient interface that form no part of the claimed design. 

CLAIM The ornamental design for a patient interface, as shown and described. 